package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.GoodsSalesDTO;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.Orders;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.OrderMapper;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.ReportService;
import com.sky.service.UserService;
import com.sky.service.WorkspaceService;
import com.sky.utils.HttpClientUtil;
import com.sky.vo.*;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.apache.poi.util.StringUtil;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

@Service
@Slf4j
public class ReportImpl implements ReportService {

    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private WorkspaceService workspaceService;

    @Override
    public TurnoverReportVO getTurnover(LocalDate begin, LocalDate end) {
        //获取日期
        List<LocalDate> dateList=new ArrayList<>();
        dateList.add(begin);
        while (!begin.equals(end)){
            dateList.add(begin);
            begin=begin.plusDays(1);
        }
        String join1 = StringUtils.join(dateList, ",");
        //获取营业额

        List<Double> turnoverList=new ArrayList<>();
        for (LocalDate date : dateList) {
            LocalDateTime localDateTime1 = LocalDateTime.of(date, LocalTime.MIN);
            LocalDateTime localDateTime2 = LocalDateTime.of(date, LocalTime.MAX);
            HashMap<Object, Object> objectObjectHashMap = new HashMap<>();
            objectObjectHashMap.put("begin", localDateTime1);
            objectObjectHashMap.put("end", localDateTime2);
            objectObjectHashMap.put("status",5);
            Double sum=orderMapper.sumBymap(objectObjectHashMap);
            sum=sum==null?0:sum;
            turnoverList.add(sum);
        }
        String join2 = StringUtils.join(turnoverList, ",");
        //返回
        return TurnoverReportVO.builder().dateList(join1).turnoverList(join2).build();
    }

    @Override
    public UserReportVO getUserStatistics(LocalDate begin, LocalDate end) {
        List<LocalDate> dateList=new ArrayList<>();
        dateList.add(begin);
        while (!begin.equals(end)){
            dateList.add(begin);
            begin=begin.plusDays(1);
        }
        String join1 = StringUtils.join(dateList, ",");
        //获取新增人数和总工人数
        List<Integer> newUserList=new ArrayList<>();
        List<Integer> totalUserList=new ArrayList<>();
        for (LocalDate date : dateList) {
            LocalDateTime localDateTime1 = LocalDateTime.of(date, LocalTime.MIN);
            LocalDateTime localDateTime2 = LocalDateTime.of(date, LocalTime.MAX);
            HashMap<Object, Object> objectObjectHashMap = new HashMap<>();
            objectObjectHashMap.put("begin", localDateTime1);
            objectObjectHashMap.put("end", localDateTime2);
            HashMap<Object, Object> objectObjectHashMap1 = new HashMap<>();


            Integer answer1=userMapper.countByMap(objectObjectHashMap);
            Integer answer2=userMapper.countByMap(objectObjectHashMap1);
            answer1=answer1==null?0:answer1;
            answer2=answer2==null?0:answer2;
            newUserList.add(answer1);
            totalUserList.add(answer2);
        }
        String join2 = StringUtils.join(newUserList, ",");
        String join3 = StringUtils.join(totalUserList, ",");
        //返回
        return UserReportVO.builder().dateList(join1).newUserList(join2).totalUserList(join3).build();
    }

    @Override
    public OrderReportVO getOrderStatistics(LocalDate begin, LocalDate end) {
        log.info("11");
        List<LocalDate> dateList=new ArrayList<>();
        dateList.add(begin);
        while (!begin.equals(end)){
            dateList.add(begin);
            begin=begin.plusDays(1);
        }
        log.info("11");
        //获取新增人数和总工人数
        List<Integer> allOrdersList=new ArrayList<>();
        List<Integer> realOrdersList=new ArrayList<>();
        for (LocalDate date : dateList) {
            LocalDateTime localDateTime1 = LocalDateTime.of(date, LocalTime.MIN);
            LocalDateTime localDateTime2 = LocalDateTime.of(date, LocalTime.MAX);
            Integer answer1 = orderMapper.getOrderCount(localDateTime1,localDateTime2, null);

        //查询每天的有效订单数 select count(id) from orders where order_time > ? and order_time < ? and status = ?
        Integer answer2 = orderMapper.getOrderCount(localDateTime1,localDateTime2, Orders.COMPLETED);
            allOrdersList.add(answer1);
            realOrdersList.add(answer2);
        }
        log.info("12");
        Double orderCompletionRate = 0.0;
        Integer totalOrderCount = allOrdersList.stream().reduce(Integer::sum).get();
        Integer validOrderCount = realOrdersList.stream().reduce(Integer::sum).get();
        if(totalOrderCount != 0){
            orderCompletionRate = validOrderCount.doubleValue() / totalOrderCount;
        }
        log.info("13");
        OrderReportVO build = OrderReportVO.builder()
                .dateList(StringUtils.join(dateList, ","))
                .orderCountList(StringUtils.join(allOrdersList, ","))
                .validOrderCountList(StringUtils.join(realOrdersList, ","))
                .totalOrderCount(totalOrderCount)
                .validOrderCount(validOrderCount)
                .orderCompletionRate(orderCompletionRate)
                .build();
        log.info("14");
        log.info(build.toString());


        return OrderReportVO.builder()
                .dateList(StringUtils.join(dateList, ","))
                .orderCountList(StringUtils.join(allOrdersList, ","))
                .validOrderCountList(StringUtils.join(realOrdersList, ","))
                .totalOrderCount(totalOrderCount)
                .validOrderCount(validOrderCount)
                .orderCompletionRate(orderCompletionRate)
                .build();
    }

    @Override
    public SalesTop10ReportVO getSalesTop10(LocalDate begin, LocalDate end) {
        LocalDateTime localDateTime1 = LocalDateTime.of(begin, LocalTime.MIN);
        LocalDateTime localDateTime2 = LocalDateTime.of(end,LocalTime.MAX);
        List<GoodsSalesDTO> goodsSalesDTOList=orderMapper.getSalesTop10(begin,end);
        String nameList=StringUtils.join(goodsSalesDTOList.stream().map(GoodsSalesDTO::getName).collect(Collectors.toList()), ",");
        String numberList = StringUtils.join(goodsSalesDTOList.stream().map(GoodsSalesDTO::getNumber).collect(Collectors.toList()),",");

        return SalesTop10ReportVO.builder()
                .nameList(nameList)
                .numberList(numberList)
                .build();
    }

    public void exportBusinessData(HttpServletResponse response) {
        LocalDate begin = LocalDate.now().minusDays(30);
        LocalDate end = LocalDate.now().minusDays(1);
        //查询概览运营数据，提供给Excel模板文件
        BusinessDataVO businessData = workspaceService.getBusinessData(LocalDateTime.of(begin,LocalTime.MIN), LocalDateTime.of(end, LocalTime.MAX));
        InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("template/运营数据报表模板.xlsx");
        try {
            //基于提供好的模板文件创建一个新的Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(inputStream);
            //获得Excel文件中的一个Sheet页
            XSSFSheet sheet = excel.getSheet("Sheet1");

            sheet.getRow(1).getCell(1).setCellValue(begin + "至" + end);
            //获得第4行
            XSSFRow row = sheet.getRow(3);
            //获取单元格
            row.getCell(2).setCellValue(businessData.getTurnover());
            row.getCell(4).setCellValue(businessData.getOrderCompletionRate());
            row.getCell(6).setCellValue(businessData.getNewUsers());
            row = sheet.getRow(4);
            row.getCell(2).setCellValue(businessData.getValidOrderCount());
            row.getCell(4).setCellValue(businessData.getUnitPrice());
            for (int i = 0; i < 30; i++) {
                LocalDate date = begin.plusDays(i);
                //准备明细数据
                businessData = workspaceService.getBusinessData(LocalDateTime.of(date,LocalTime.MIN), LocalDateTime.of(date, LocalTime.MAX));
                row = sheet.getRow(7 + i);
                row.getCell(1).setCellValue(date.toString());
                row.getCell(2).setCellValue(businessData.getTurnover());
                row.getCell(3).setCellValue(businessData.getValidOrderCount());
                row.getCell(4).setCellValue(businessData.getOrderCompletionRate());
                row.getCell(5).setCellValue(businessData.getUnitPrice());
                row.getCell(6).setCellValue(businessData.getNewUsers());
            }
            //通过输出流将文件下载到客户端浏览器中
            ServletOutputStream out = response.getOutputStream();
            excel.write(out);
            //关闭资源
            out.flush();
            out.close();
            excel.close();

        }catch (IOException e){
            e.printStackTrace();
        }
    }
    //public OrderReportVO getOrderStatistics(LocalDate begin, LocalDate end){
//    List<LocalDate> dateList = new ArrayList<>();
//    dateList.add(begin);
//
//    while (!begin.equals(end)){
//        begin = begin.plusDays(1);
//        dateList.add(begin);
//    }
//    //每天订单总数集合
//    List<Integer> orderCountList = new ArrayList<>();
//    //每天有效订单数集合
//    List<Integer> validOrderCountList = new ArrayList<>();
//    for (LocalDate date : dateList) {
//        LocalDateTime beginTime = LocalDateTime.of(date, LocalTime.MIN);
//        LocalDateTime endTime = LocalDateTime.of(date, LocalTime.MAX);
//        //查询每天的总订单数 select count(id) from orders where order_time > ? and order_time < ?
//        Integer orderCount = getOrderCount(beginTime, endTime, null);
//
//        //查询每天的有效订单数 select count(id) from orders where order_time > ? and order_time < ? and status = ?
//        Integer validOrderCount = getOrderCount(beginTime, endTime, Orders.COMPLETED);
//
//        orderCountList.add(orderCount);
//        validOrderCountList.add(validOrderCount);
//    }
//
//    //时间区间内的总订单数
//    Integer totalOrderCount = orderCountList.stream().reduce(Integer::sum).get();
//    //时间区间内的总有效订单数
//    Integer validOrderCount = validOrderCountList.stream().reduce(Integer::sum).get();
//    //订单完成率
//    Double orderCompletionRate = 0.0;
//    if(totalOrderCount != 0){
//        orderCompletionRate = validOrderCount.doubleValue() / totalOrderCount;
//    }
//    return OrderReportVO.builder()
//            .dateList(StringUtils.join(dateList, ","))
//            .orderCountList(StringUtils.join(orderCountList, ","))
//            .validOrderCountList(StringUtils.join(validOrderCountList, ","))
//            .totalOrderCount(totalOrderCount)
//            .validOrderCount(validOrderCount)
//            .orderCompletionRate(orderCompletionRate)
//            .build();
//    }
    private Integer getOrderCount(LocalDateTime beginTime, LocalDateTime endTime, Integer status) {
        Map map = new HashMap();
        map.put("status", status);
        map.put("begin",beginTime);
        map.put("end", endTime);
        return orderMapper.countByMap(map);
    }
}